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  3. Technical Support for Sunmi Terminal

I don't hear any sounds when an order comes through

It is crucial to prioritize ensuring that all orders are accepted and processed. To ensure this, it is important to adjust the volume of your alert to a comfortable level that you can hear clearly.

On the left side of the terminal, you will find two buttons. The longer button located at the lower part allows you to adjust the volume. The top button, on the other hand, is the power button.